CaratHunter
Plans
Oval|Natural|GIA

1.51ct M SI1 Oval Natural Diamond

ID • M/SI1 • GIA 1485696047

Certificate GIA 1485696047

Diamond specifications and retailer prices

From $2,399 USD
As of November 4, 2026
Save $3,201 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,600 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1485696047. Listed at 13 retailers as of November 4, 2026, with prices from $2,399 to $5,600, a $3,201 spread on the same certified stone. NZ Jewellers lists it at $5,600. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
M
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1485696047
Dimensions8.82 × 6.27 × 4.02 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Cert comments
Clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Needle, Natural
Top View
8.82 mm6.27 mm1.51 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1485696047
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,600 USD|Low: $2,502 USD|High: $5,600 USD|Avg: $3,336 USD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$2,502 USD
Retailer 2$2,669 USD
Retailer 5$2,678 USD
Retailer 8$2,678 USD
Retailer 7$2,781 USD
Retailer 6$3,091 USD
Retailer 3$3,269 USD
Retailer 4$3,345 USD
Retailer 10$4,285 USD
NZ Jewellers$5,600 USD

43 data points across 10 retailers

13 retailers$2,399 USD to $5,600 USD

B+
Cheapest Retailer
-
$2,399 USD
B+
Retailer 2
-
$2,502 USD
View
B+
Retailer 3
-
$2,640 USD
View
B+
Retailer 4
-
$2,669 USD
View
B+
Retailer 5
-
$2,678 USD
View
Retailer 6
-
$2,678 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,678 USD
View
Price last confirmed 19 days ago
B+
Retailer 8
-
$2,781 USD
View
B
Retailer 9
-
$3,091 USD
View
Retailer 10
-
$3,091 USD
View
Price last confirmed 19 days ago
B
Retailer 11
-
$3,269 USD
View
B
Retailer 12
-
$3,345 USD
View
Most Expensive
B
NZ Jewellers
b0ea946a-fc9a-4b91-9e45-6ff914f80491 · Nov 5
$5,600 USD
View
12 more retailers have this diamond
Prices start from $2,399 USDSave up to $3,201 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.51ct Oval
$2,399 USD